| Jurisdiction: | Diocese |
| Jilin | |
| Local: | 天主教吉林教区 |
| Latin: | Dioecesis Chilinensis |
| Country: |  China |
| Metropolitan: | Shenyang |
| Province: | Shenyang |
| Rite: | Latin Rite |
| Patron: | Our Lady of Lourdes Saint Peter Holy Guardian Angels |
| Cathedral: | Cathedral of the Sacred Heart of Jesus in Jilin City, Jilin |
| Area Km2: | 163,000 |
| Population: | 9,000,000 |
| Population As Of: | 1949 |
| Catholics: | 35,000 |
| Catholics Percent: | 0.4 |
| Bishop: | Sede Vacante |
| Metro Archbishop: | Paul Pei Junmin |
The Roman Catholic Diocese of Jilin/Kírín (Latin: Chilinen(sis),) is a Latin diocese in Manchuria, northeast China.
It is a suffragan in the ecclesiastical province of the Metropolitan of Shenyang 瀋陽, yet depends on the missionary Roman Congregation for the Evangelization of Peoples.
It is vacant (again) since 2009.
Its cathedral episcopal see is the Cathedral of St. Theresa, in Changchun 长春, while the former cathedral is now the Church of the Sacred Heart of Jesus, in Jilin City.
Established on May 10, 1898 as Apostolic Vicariate of Northern Manchuria 北滿, on territory split off from the Apostolic Vicariate of Liaotung and Manuchria 遼東滿州
Renamed on December 3, 1924 as Apostolic Vicariate of Jilin 吉林 after its see
On 1928.07.09, it lost territory to establish the then Mission sui juris of Qiqihar 齊齊哈爾 (now an Apostolic prefecture)
Promoted on April 11, 1946 as Diocese of Jilin 吉林
Vacant from 1952 to 1999 and again since 2009?
From 1959 to 1994, the hostile PRC established a rival national church lie of pretenders without papal mandate, now also vacant.
(all Roman Rite)